133020130 has 16 divisors (see below), whose sum is σ = 239573880. Its totient is φ = 53177472.

The previous prime is 133020119. The next prime is 133020137. The reversal of 133020130 is 31020331.

It can be written as a sum of positive squares in 4 ways, for example, as 45279441 + 87740689 = 6729^2 + 9367^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133020130.

It is not an unprimeable number, because it can be changed into a prime (133020137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24286 + ... + 29254.

Almost surely, 2^133020130 is an apocalyptic number.

133020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133020130 is a deficient number, since it is larger than the sum of its proper divisors (106553750).

133020130 is a wasteful number, since it uses less digits than its factorization.

133020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133020130 is about 11533.4353078343. The cubic root of 133020130 is about 510.4726235214.

Adding to 133020130 its reverse (31020331), we get a palindrome (164040461).

The spelling of 133020130 in words is "one hundred thirty-three million, twenty thousand, one hundred thirty".